package imastudio.co.id.peta;

import android.app.AlertDialog;
import android.app.Service;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.os.IBinder;
import android.provider.Settings;
import android.util.Log;


public class GPSTracker extends Service implements LocationListener {
	private Context context = null;
	boolean isGPSEnabled = false, isNetworkEnabled = false,
			canGetLocation = false;
	Location location = null;
	double latitude, longitude;

	private static final long MIN_DISTANCE = (long) 1; // 10 meter
	private static final long MIN_TIME = 1000 * 1 * 1; // 1minute

	protected LocationManager locationManager;
	public static final String NEW_POSITION = "newPosition";


	public GPSTracker(Context c) {
		this.context = c;

		getLocation();
	}

	private Location getLocation() {
		try {
			locationManager = (LocationManager) context
					.getSystemService(LOCATION_SERVICE);

			// getting gps status
			isGPSEnabled = locationManager
					.isProviderEnabled(LocationManager.GPS_PROVIDER);
			// getting network status
			isNetworkEnabled = locationManager
					.isProviderEnabled(LocationManager.NETWORK_PROVIDER);
			//if (!isGPSEnabled && !isNetworkEnabled) {
			if (!isGPSEnabled && !isNetworkEnabled) {
				showSettingGps();
			} else {
				canGetLocation = true;
				// get lat/lng by network
				if (isNetworkEnabled) {


					locationManager.requestLocationUpdates(
							LocationManager.NETWORK_PROVIDER, MIN_TIME,
							MIN_DISTANCE, this);
					Log.d("network", "network enabled");
					if (locationManager != null) {
						location = locationManager
								.getLastKnownLocation(LocationManager.NETWORK_PROVIDER);
						if (location != null) {
							latitude = location.getLatitude();
							longitude = location.getLongitude();
						}
					}
				}

				// get lat/lng by gps
				if (isGPSEnabled) {
					if (location == null) {
						locationManager.requestLocationUpdates(
								LocationManager.GPS_PROVIDER, MIN_TIME,
								MIN_DISTANCE, this);
						Log.d("GPS", "GPS enabled");
						if (locationManager != null) {
							location = locationManager
									.getLastKnownLocation(LocationManager.GPS_PROVIDER);
							if (location != null) {
								latitude = location.getLatitude();
								longitude = location.getLongitude();
							}

						}
					}

				}
			}
		} catch (Exception e) {
			e.printStackTrace();
		}

		return location;

	}

	/**
	 * Stop using GPS listener Calling this function will stop using GPS in your
	 * app
	 * */
	public void stopUsingGPS() {
		if (locationManager != null) {

			locationManager.removeUpdates(this);
		}
	}

	public double getLatitude(){
		if(location != null){
			latitude = location.getLatitude();
		}

		return latitude;
	}

	public Location getLocations(){
		if(location != null){
			return location;
		}

		return null;
	}

	public double getLongitude(){
		if(location != null){
			longitude = location.getLongitude();
		}

		return longitude;
	}

	/**
     * Function to check GPS/wifi enabled
     *
     * @return boolean
     * */
	public boolean canGetLocation(){
		return canGetLocation;
	}

	/**
     * Function to show settings alert dialog On pressing Settings button will
     * lauch Settings Options
     *
     * */
	public void showSettingGps(){
		AlertDialog.Builder alertBuilder = new AlertDialog.Builder(context);

		alertBuilder.setTitle("GPS Setting");
		alertBuilder.setMessage("GPS is not enabled. Do you want to go to settings menu?");

		alertBuilder.setPositiveButton("Setting", new DialogInterface.OnClickListener() {

			@Override
			public void onClick(DialogInterface dialog, int which) {
				Intent intent = new Intent(Settings.ACTION_LOCATION_SOURCE_SETTINGS);
				intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
				startActivity(intent);

			}
		});
		alertBuilder.setNegativeButton("Cancel"	, new DialogInterface.OnClickListener() {

			public void onClick(DialogInterface dialog, int which) {
				dialog.cancel();

			}
		});
	}

	@Override
	public void onLocationChanged(Location location) {
		if(location != null){
			//RbHelper.pesan(context, "perubahan Alamat");


			if(this.location != location){
				sendPosisi(location.getLatitude(), location.getLongitude());
				this.location = location;
			}




		}


	}

	@Override
	public void onProviderDisabled(String provider) {
		// TODO Auto-generated method stub

	}

	@Override
	public void onProviderEnabled(String provider) {
		// TODO Auto-generated method stub

	}

	@Override
	public void onStatusChanged(String provider, int status, Bundle extras) {
		// TODO Auto-generated method stub

	}

	@Override
	public IBinder onBind(Intent intent) {
		// TODO Auto-generated method stub
		return null;
	}






	public void sendPosisi(double lat, double lng) {
		Intent i = new Intent(NEW_POSITION);
		i.putExtra("lat", lat);
		i.putExtra("lng", lng);
		context.sendBroadcast(i);
		Log.i("send broadcast new position", "");
	}


}